Sökning: "normoxic"

Visar resultat 1 - 5 av 10 uppsatser innehållade ordet normoxic.

1. 1. Polymer gel dosimetry with MRI-readout for 3D dose verification - detector characteristics and clinical applications

   Master-uppsats, Lunds universitet/Sjukhusfysikerutbildningen

   Författare :Thi Guldhill; [2023]
   Nyckelord :Medicine and Health Sciences;

   Sammanfattning : Background & Purpose: Radiation therapy is an essential treatment for cancer patients with the ultimate goal to deliver radiation doses to the tumour with precision while minimizing exposure to surrounding healthy tissues. Treatment verification is crucial to ensure the accuracy of radiation delivery, for instance by measuring the radiation dose distribution. LÄS MER

3. 2. CHARACTERIZATION AND EVALUATION OF A NIPAM POLYMER GEL MRI DOSIMETER SYSTEM

   Master-uppsats,

   Författare :Christian Waldenberg; [2022-11-08]
   Nyckelord :Medical physics; Normoxic polymer gel dosimeter; NiPAM;

   Sammanfattning : Purpose: The normoxic polymer gel dosimeter based on N-isopropyl acrylamide (NiPAM) is a promising full 3D-dosimeter with high spatial resolution and near tissue equivalency. However, limited work have been done in vestigating this dosimeter. The dose response and reproducibility of a NiPAM dosimeter was investigated. LÄS MER

4. 3. Hypoxia-induced expression of HIF-1a and GPR30, in relation to survival, proliferation and apoptosis in MCF-7 and SkBr3 breast cancer cells.

   L3-uppsats, Lunds universitet/Läkarutbildningen

   Författare :Hanna Chahin; Dianna Jazera; [2021]
   Nyckelord :hypoxia; breast cancer; GPR30 estrogen receptor; Medicine and Health Sciences;

   Sammanfattning : Introduction: Hypoxia that accompanies tumor growth induces the expression of hypoxiainducible factor a (HIF-1a), in turn mediating the expression of other genes, including G protein-coupled receptor 30 (GPR30), to promote adaption to the hypoxic microenvironment and enable cell proliferation and survival. Nonetheless, this correlation has not been causally explained. LÄS MER

5. 4. Neuroprotective effects of magnesium sulphate evaluated by fluoride resistant acid phosphatase, inorganic phosphate, lactate dehydrogenase and nitric oxide in rats with ischemia

   Kandidat-uppsats, Uppsala universitet/Institutionen för kvinnors och barns hälsa

   Författare :Maria Dorelis Montero Jimenez; [2020]
   Nyckelord :Biomarker; Magnesium; Neuroprotection; Respiratory arrest.;

   Sammanfattning : Brain ischemia events are among the first three mortalities causes in the world associated with high treatments costs and in most cases some degree of permanent functional disability, thus it is necessary with new low cost and effective treatments. In the present study the potential neuroprotective effect of magnesium sulphate was evaluated by quantification of ischemic biomarkers: fluoride resistant acid phosphatase (FRAP), inorganic phosphate (Pi), lactate dehydrogenase (LDH) and nitric oxide (NO) in rats with global ischemia. LÄS MER

7. 5. The Effect of Whole-Body Vibration Preconditioning on High-Altitude-Induced Venous Gas Emboli

   Master-uppsats, KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

   Författare :Tommaso Tuci; [2020]
   Nyckelord :Whole-Body Vibration; Vibration; High-Altitude Aviation; Venous Gas Emboli; VGE; Decompression sickness; DCS;

   Sammanfattning : Decompression sickness (DCS) is a risk associated with high-altitude aviation and diving. During these activities, decompression may lead to supersaturation of inert gas dissolved in bodily tissues and subsequently activate bubble formation in various bodily tissues, including in venous blood, known as venous gas emboli (VGE). LÄS MER